Home / 18,735.60-25,856.84-10,353.76

Finding the Fourth Proportional to 18,735.60, 25,856.84 and 10,353.76

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Solution

The fourth proportional to 18,735.60, 25,856.84 and 10,353.76 is: 14,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.60 : 25,856.84 = 10,353.76 : x
  2. Step 2: Convert to fraction form
    18,735.60/25,856.84 = 10,353.76/x
  3. Step 3: Cross multiply
    18,735.60x = 25,856.84 × 10,353.76
  4. Step 4: Simplify right side
    18,735.60x = 267,715,515.72
  5. Step 5: Solve for x
    x = 267,715,515.72/18,735.60
  6. Step 6: Final answer
    x = 14,289.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.